CN116900103B - Wiper arm combination stamping die - Google Patents
Wiper arm combination stamping die Download PDFInfo
- Publication number
- CN116900103B CN116900103B CN202311183681.5A CN202311183681A CN116900103B CN 116900103 B CN116900103 B CN 116900103B CN 202311183681 A CN202311183681 A CN 202311183681A CN 116900103 B CN116900103 B CN 116900103B
- Authority
- CN
- China
- Prior art keywords
- module
- blanking
- oil cylinder
- forming
- wiper arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 37
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000004080 punching Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 13
- 239000002994 raw material Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
Abstract
The application provides a wiper arm combined stamping die, which belongs to the technical field of metal plate forming dies and comprises the following components: lower module and upper module. The top surface of the lower module is provided with a lower trough, and the bottom of the lower trough is provided with a forming hole penetrating through the bottom of the lower module; the top of lower module is located to the last module, goes up the module and includes the clamp plate that is on a parallel with lower module, and the clamp plate wears to be equipped with the unloading module perpendicularly, and the outline of its lower extreme is used for forming the sheet metal component with the unloading groove, and the bottom of a mounting panel is located to the unloading module, is equipped with the elastic component between the top of mounting panel bottom and clamp plate, and the bottom of unloading module is equipped with the shaping module, and the shaping module removes along the direction of perpendicular to lower module top surface, and shaping module and shaping hole are used for forming the sheet metal component punching press windscreen wiper arm blank. The scheme has simple overall structure and higher stamping efficiency.
Description
Technical Field
The application belongs to the technical field of metal plate forming dies, and particularly relates to a wiper arm combined stamping die.
Background
The windscreen wiper generally comprises an arm seat, a windscreen wiper arm, flat irons and a windscreen wiper adhesive tape, wherein most of the windscreen wiper arm is formed by stamping metal plates. The existing stamping process mainly comprises two working procedures of blanking and forming, and the two working procedures of blanking and forming adopt two sets of dies to be processed respectively, so that two working procedures of feeding and taking materials are needed, two punching machines and corresponding dies are needed to be arranged, the efficiency is low, and the input cost and the production cost are high. In the prior art, continuous stamping forming equipment along the conveying direction is adopted, and although one punch press can be adopted for processing, two sets of dies are still arranged, a feeding mechanism is required to be arranged between the two sets of dies, and a precise positioning mechanism is required to be arranged between the second set of dies, so that the equipment structure is complex.
Disclosure of Invention
In order to solve the defects in the prior art, the application provides the wiper arm combined stamping die which is simple in integral structure and has higher production efficiency.
In order to achieve the object of the application, the following scheme is adopted:
a wiper arm combination stamping die, comprising: lower module and upper module.
The top surface of the lower module is provided with a lower trough, and the bottom of the lower trough is provided with a forming hole penetrating through the bottom of the lower module;
the upper module is arranged above the lower module in a moving way along the direction vertical to the top surface of the lower module, the upper module comprises a pressing plate parallel to the top surface of the lower module, the pressing plate vertically penetrates through the lower module, the outer contour of the lower end of the pressing plate is matched with the inner contour of the lower trough to form a blanking mechanism, the blanking module is arranged at the bottom of a mounting plate, an elastic piece is arranged between the bottom of the mounting plate and the top of the pressing plate, when the elastic piece is in a natural state, the bottom surface of the blanking module is positioned in the thickness range of the pressing plate, the bottom of the blanking module is provided with a forming module, the forming module moves along the direction vertical to the top surface of the lower module, and the forming module is matched with a forming hole to form a forming mechanism for stamping the sheet metal piece to form a wiper arm blank;
after the bottom surface of unloading module is less than the top surface of unloading module, shaping module begins to move downwards with being greater than unloading module speed of falling, when the sheet metal component formed wiper arm blank, there was the interval between the bottom surface of unloading module and the bottom surface of unloading groove.
The application has the beneficial effects that: the blanking and the forming stamping can be continuously finished by only one set of die, and a feeding mechanism and a positioning structure are not required to be arranged between the blanking and the forming working procedures, so that the structure is compact and simple, the structural precision of the formed wiper arm can be effectively ensured, and the production efficiency of the wiper arm can be effectively improved by adopting the die.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the application.
Fig. 1 shows a schematic view of the structure of a wiper arm blank processed according to the present application.
Fig. 2 shows a schematic view of a sheet metal part of a wiper arm processed according to the present application.
Fig. 3 shows a schematic overall structure of a preferred embodiment of the present application.
Fig. 4 shows a schematic structural view of the lower module of the present application.
Fig. 5 shows a partial enlarged view at a in fig. 4.
Fig. 6 shows a schematic bottom structure of the blanking module and the forming module of the present application.
Figure 7 shows a cross-sectional view of a preferred embodiment of the application.
Fig. 8 shows a cross-sectional view of the structure of a preferred embodiment of the present application when blanking is completed.
Fig. 9 shows a cross-sectional view of the structure of a preferred embodiment of the present application as it is completed.
The marks in the figure: the device comprises a lower module 1, a lower trough 11, a protruding part 111, a forming hole 12, a strip-shaped trough 13, a chute 14, a guide rod 15, a pressing plate 2, an elastic piece 21, a lower module 3, a concave part 301, a mounting plate 31, a forming module 4, a hydraulic system 5, a first oil cylinder 51, a second oil cylinder 52, an oil pipe 53, a sucker 54, a sheet metal part 91, a wiper arm blank 92 and a side wing 93.
Description of the embodiments
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings, but the described embodiments of the present application are some, but not all embodiments of the present application.
As shown in fig. 3, a wiper arm assembly stamping die includes: lower module 1 and upper module.
Specifically, as shown in fig. 4 and fig. 7 to 9, the top surface of the lower module 1 has a lower trough 11, and the bottom of the lower trough 11 has a molding hole 12 penetrating the bottom of the lower module 1.
Specifically, as shown in fig. 3 and fig. 6 to fig. 9, the upper module is movably arranged above the lower module 1 along the direction perpendicular to the top surface of the lower module 1, the upper module comprises a pressing plate 2 parallel to the top surface of the lower module 1, the pressing plate 2 is vertically penetrated with a blanking module 3, the outer contour of the lower end of the pressing plate 2 is matched with the inner contour of the blanking groove 11 to form a blanking mechanism, the blanking module 3 is arranged at the bottom of a mounting plate 31, an elastic piece 21 is arranged between the bottom of the mounting plate 31 and the top of the pressing plate 2, and when the elastic piece 21 is in a natural state, the bottom surface of the blanking module 3 is positioned in the thickness range of the pressing plate 2, so that the blanking module 3 is in contact with the raw material plate before the pressing plate 2, the raw material plate cannot be effectively fixed, and the raw material plate is easily displaced during blanking; on the basis, the blanking module 3 and the pressing plate 2 can be kept in a matched state all the time, and collision between the blanking module 3 and the pressing plate 2 is avoided. The bottom of the blanking module 3 is provided with a forming module 4, the forming module 4 moves along the direction vertical to the top surface of the lower module 1, the forming module 4 is matched with the forming hole 12 to form a forming mechanism for punching the sheet metal part 91 to form a wiper arm blank 92 shown in fig. 1, and the final wiper arm can be formed through drilling, polishing and paint spraying processes.
After the bottom surface of the blanking module 3 is lower than the top surface of the blanking module 1, the forming module 4 starts to move downward at a speed greater than the descending speed of the blanking module 3. The following control method can be adopted: after the bottom surface of the blanking module 3 is lower than the top surface of the blanking module 1, the blanking is completed, and then the molding module 4 is driven to move downwards by the telescopic device arranged on the top surface of the mounting plate 31, and then the sheet metal part 91 is punched and bent to form a wiper arm blank 92 by using a molding mechanism formed between the molding module 4 and the molding hole 12, wherein the telescopic device can be a motor, an air cylinder or hydraulic equipment. As shown in fig. 9, when the sheet metal part 91 forms the wiper arm blank 92, a space exists between the bottom surface of the blanking module 3 and the bottom surface of the blanking groove 11, so that a sufficient avoiding space is ensured between the blanking module 3 and the bottom surface of the blanking groove 11 in the forming process, and the side edge of the sheet metal part 91 is prevented from being blocked by the blanking module 3 in the bending process, so that the side edge of the sheet metal part 91 cannot be folded upwards smoothly.
Preferably, the length of the forming module 4 is smaller than the length of the wiper arm blank 92, and as shown in fig. 6, the forming module 4 is located inside the bottom surface contour of the blanking module 3, so as to maintain the integrity of the bottom surface contour of the blanking module 3, and thus maintain the overall structural strength of the bottom surface as a blanking working surface.
Preferably, as shown in fig. 1, both sides of the tail end of the wiper arm blank 92 are provided with backward protruding flanks 93, as shown in fig. 4 to 6, a groove part between the corresponding flanks 93 of the inner wall of the end part of the lower trough 11 is provided with a protruding part 111 perpendicular to the bottom surface of the lower trough 11, the specific cross-section shape of the protruding part 111 is set according to the groove shape between the flanks 93, the corresponding protruding part 111 of the blanking module 3 is provided with a concave part 301 for matching with the protruding part 111, so that the protruding part 111 and the concave part 301 are utilized to form a groove at the rear end of the sheet metal part 91, then the flanks 93 are formed through the groove, the protruding part 111 extends to the bottom surface of the lower module 1, and a strip groove 13 is arranged between the two outer side walls of the protruding part 111 and the two inner side walls of the forming hole 12, the width of the strip groove 13 is larger than the thickness of the sheet metal part 91, and in the forming process of the sheet metal part 91, the flanks 93 can smoothly pass through the strip groove 13, and the shape correcting work of the flanks 93 is realized by utilizing the strip groove 13 to fix the distance between the two flanks 93.
Further preferably, as shown in fig. 5, a chute 14 is formed at the junction between the strip groove 13 and the bottom surface of the blanking groove 11, so as to avoid contact between the side wing 93 and the bottom surface of the blanking groove 11 during bending of the side edge of the sheet metal part 91, thereby preventing the side wing 93 from being stuck, and enabling the side wing 93 to enter the strip groove 13 more smoothly.
Preferably, as shown in fig. 3, the periphery of the top of the lower module 1 is vertically provided with guide rods 15, and the guide rods 15 penetrate through the pressing plate 2 and the mounting plate 31, so as to ensure the mutual position precision among the lower module 1, the pressing plate 2 and the blanking module 3, and then ensure the relative position precision between the blanking module 3 and the blanking groove 11, meanwhile, because the forming hole 12 and the blanking groove 11 are processed on the lower module 1 and the forming module 4 is arranged in the blanking module 3, the relative position precision between the forming hole 12 and the forming module 4 can be simultaneously satisfied.
Further preferably, as shown in fig. 3, the elastic member 21 is a cylindrical spring structure, and the elastic member 21 is sleeved on the outer portion of the guide rod 15.
As a preferred embodiment of the present application, as shown in fig. 3 and 7 to 9, the wiper arm assembly stamping die further includes a hydraulic system 5, which includes a first cylinder 51 and a second cylinder 52 disposed on the top surface of the mounting plate 31, the top of the first cylinder 51 is connected to the top of the second cylinder 52 through an oil pipe 53, the cylinder inner diameter of the first cylinder 51 is greater than the cylinder inner diameter of the second cylinder 52, the movement stroke of the ejector rod of the second cylinder 52 is greater than the stroke of the ejector rod of the first cylinder 51, the ejector rod of the first cylinder 51 vertically passes through the mounting plate 31, the bottom of the ejector rod is provided with a suction cup 54, when the elastic member 21 is in a natural state and the ejector rod of the first cylinder 51 is in a downward extending state, a predetermined distance is provided between the suction cup 54 and the pressing plate 2, and the predetermined distance is the working stroke of the blanking mechanism, or it can be understood that, when the pressing plate 2 is in contact with the raw material plate, the blanking module 3 starts to move downward relative to the pressing plate 2 until the entire process of blanking is completed, the ejector rod of the second cylinder 52 vertically passes through the mounting plate 31 and is connected to the forming module 4, and the bottom surface of the forming module 4 is higher than the bottom surface of the blanking module 3 or the second ejector rod is in a flush state with the second cylinder 52.
During production, the raw material plate is sent to the top of the lower module 1, and the upper module is moved downwards; the pressing plate 2 is firstly contacted with the raw material plate and is pressed tightly; then the blanking module 3 starts to move downwards relative to the pressing plate 2, in the process, a blanking mechanism formed by the blanking module 3 and the blanking groove 11 completes blanking work, and the sheet metal part 91 is blanked from the raw material plate; the sheet metal part 91 after blanking directly falls into the bottom of the blanking groove 11, wherein the blanking groove 11 is used as a part of structure of the blanking mechanism and is also used as a positioning structure of the forming mechanism, so that the positioning structure which is independently arranged for the forming mechanism is reduced, the whole structure is simpler, the same mechanism is adopted as the structure of the blanking mechanism and the positioning structure, the uniformity of a reference can be effectively ensured, the positioning precision of the sheet metal part 91 in the forming mechanism is further improved, and the structural precision of the wiper arm blank 92 after forming is ensured; after the blanking is completed, the preset distance between the sucker 54 and the pressing plate 2 is just reset to zero, the sucker 54 is firmly adsorbed on the top surface of the pressing plate 2, and then the blanking module 3 is continuously lowered, in the process, the ejector rod of the first oil cylinder 51 is lifted up by the pressing plate 2, so that the ejector rod is retracted up to the first oil cylinder 51, and the lifted distance of the ejector rod of the first oil cylinder 51 is the same as the lowering distance of the blanking module 3 relative to the pressing plate 2; the hydraulic oil in the first oil cylinder 51 flows into the second oil cylinder 52 from the top through the oil pipe 53, so that the ejector pin of the second oil cylinder 52 is pushed to move downward, and the forming module 4 starts to move downward relative to the blanking module 3. Because the cylinder inner diameter of the first oil cylinder 51 is larger than the cylinder inner diameter of the second oil cylinder 52, and the distance by which the ejector rod of the first oil cylinder 51 is jacked up is the same as the distance by which the blanking module 3 descends corresponding to the pressing plate 2, the distance by which the ejector rod of the second oil cylinder 52 descends is larger than the distance by which the ejector rod of the first oil cylinder 51 moves upward, so that the forming module 4 moves downward at a speed larger than the descending speed of the blanking module 3, thereby achieving the purpose that when the sheet metal part 91 forms the wiper arm blank 92, a space exists between the bottom surface of the blanking module 3 and the bottom surface of the blanking groove 11. The purpose of the continuous descending of the blanking module 3 and the forming module 4 after the blanking is completed is to utilize the blanking module 3 to continuously push the sheet metal part 91 downwards, because the bottom surface of the blanking module 3 is completely matched with the area of the sheet metal part 91 and is larger than the contact area of the forming module 4 and the sheet metal part 91, the sheet metal part 91 is continuously pushed downwards for a certain distance by utilizing the blanking module 3, the sheet metal part 91 can be effectively prevented from tilting in the blanking groove 11, the moving stroke of the forming module 4 is reduced, the thickness dimension of the blanking module 3 and the forming module 4 is reduced, and meanwhile, the structural stability of the forming module 4 when extending out can be improved; after forming the wiper arm blank 92, it may be ejected from the bottom of the shaped aperture 12; after the forming processing is finished, the upper module is lifted upwards, when the pressing plate 2 is separated from the raw material plate, the pressing plate 2 moves downwards relative to the blanking module 3 under the action of the elastic force of the elastic piece 21, and the ejector rod of the first oil cylinder 51 is driven to extend downwards under the action of the suction force of the suction disc 54, because the first oil cylinder 51 is communicated with the second oil cylinder 52, when the ejector rod of the first oil cylinder 51 extends downwards, in order to keep the pressure balance in the cylinder, hydraulic oil in the second oil cylinder 52 flows into the first oil cylinder 51 through the oil pipe 53, and because the hydraulic oil in the first oil cylinder 52 is reduced, the pressure is reduced, the ejector rod of the second oil cylinder 52 is driven to be lifted and retracted, so that the forming module 4 is retracted into the blanking module 3; when the ejector rod of the first oil cylinder 51 cannot extend downwards, the sucker 54 is separated from the pressing plate 2 under the action of the elastic member 21, so that a predetermined distance is kept between the sucker 54 and the pressing plate 2.
Preferably, the first oil cylinder 51 and the second oil cylinder 52 are provided with two groups, and the second oil cylinders 52 are uniformly arranged along the length direction of the forming module 4, so as to improve the movement stability of the forming module 4.
The foregoing description of the preferred embodiments of the application is merely exemplary and is not intended to be exhaustive or limiting of the application. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the application.
Claims (6)
1. Wiper arm combination stamping die, its characterized in that includes:
the top surface of the lower module (1) is provided with a lower trough (11), and the bottom of the lower trough (11) is provided with a forming hole (12) penetrating through the bottom of the lower module (1);
the upper module is arranged above the lower module (1) in a moving mode along the direction perpendicular to the top surface of the lower module (1), the upper module comprises a pressing plate (2) parallel to the top surface of the lower module (1), the pressing plate (2) is vertically provided with a blanking module (3) in a penetrating mode, the outer contour of the lower end of the pressing plate is matched with the inner contour of a blanking groove (11) to form a blanking mechanism, the blanking module (3) is arranged at the bottom of a mounting plate (31), an elastic piece (21) is arranged between the bottom of the mounting plate (31) and the top of the pressing plate (2), when the elastic piece (21) is in a natural state, the bottom surface of the blanking module (3) is located in the thickness range of the pressing plate (2), the forming module (4) is arranged in a moving mode along the direction perpendicular to the top surface of the lower module (1), and the forming module (4) is matched with a forming hole (12) to form a forming mechanism, and the sheet metal piece (91) is used for stamping a wiper blank (92);
the hydraulic system (5) further comprises a first oil cylinder (51) and a second oil cylinder (52) which are arranged on the top surface of the mounting plate (31), wherein the first oil cylinder (51) is connected with the top of the second oil cylinder (52) through an oil pipe (53), the cylinder inner diameter of the first oil cylinder (51) is larger than that of the second oil cylinder (52), the moving stroke of the ejector rod of the second oil cylinder (52) is larger than that of the first oil cylinder (51), the ejector rod of the first oil cylinder (51) vertically penetrates through the mounting plate (31) downwards, a sucker (54) is arranged at the bottom of the ejector rod, when the elastic piece (21) is in a natural state and the ejector rod of the first oil cylinder (51) is in a downward extending state, a preset distance is reserved between the sucker (54) and the pressing plate (2), the ejector rod of the second oil cylinder (52) vertically penetrates through the mounting plate (31) downwards and is connected with the forming module (4), and the bottom surface of the forming module (4) is higher than or is in an upward retracting state when the ejector rod of the second oil cylinder (52) is flush with the bottom surface of the blanking module (3);
after the bottom surface of the blanking module (3) is lower than the top surface of the blanking module (1), the forming module (4) starts to move downwards at a speed greater than the descending speed of the blanking module (3), and when the sheet metal part (91) forms a wiper arm blank (92), a gap exists between the bottom surface of the blanking module (3) and the bottom surface of the blanking groove (11);
both sides at the tail end of the wiper arm blank (92) are provided with backward protruding flanks (93), a groove part between the corresponding flanks (93) of the inner wall of the end part of the blanking groove (11) is provided with a protruding part (111) perpendicular to the bottom surface of the blanking groove (11), the blanking module (3) is provided with a concave part (301) corresponding to the protruding part (111) for matching with the protruding part (111), the protruding part (111) extends to the bottom surface of the lower module (1), a strip-shaped groove (13) is arranged between the two outer side walls of the protruding part (111) and the two inner side walls of the forming hole (12), and the width of the strip-shaped groove (13) is larger than the thickness of the sheet metal part (91).
2. The wiper arm combination stamping die according to claim 1, wherein the length of the forming module (4) is smaller than the length of the wiper arm blank (92), and the forming module (4) is located inside the outline of the blanking module (3).
3. The wiper arm combination stamping die according to claim 1, wherein a chute (14) is formed at the junction of the strip-shaped groove (13) and the bottom surface of the blanking groove (11).
4. The wiper arm combination stamping die according to claim 1, wherein guide rods (15) are vertically arranged around the top of the lower module (1), and the guide rods (15) penetrate through the pressing plate (2) and the mounting plate (31).
5. The wiper arm assembly stamping die according to claim 4, wherein the elastic members (21) are of cylindrical spring structures, and the elastic members (21) are sleeved outside the guide rods (15).
6. The wiper arm combination stamping die according to claim 1, wherein the first oil cylinder (51) and the second oil cylinder (52) are provided with two groups, and the second oil cylinders (52) are uniformly arranged along the length direction of the forming module (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311183681.5A CN116900103B (en) | 2023-09-14 | 2023-09-14 | Wiper arm combination stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311183681.5A CN116900103B (en) | 2023-09-14 | 2023-09-14 | Wiper arm combination stamping die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116900103A CN116900103A (en) | 2023-10-20 |
| CN116900103B true CN116900103B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311183681.5A Active CN116900103B (en) | 2023-09-14 | 2023-09-14 | Wiper arm combination stamping die |
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| Country | Link |
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| CN (1) | CN116900103B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117548545B (en) * | 2024-01-12 | 2024-04-02 | 德阳华智精密科技有限公司 | Dovetail groove stamping die |
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| CN214442292U (en) * | 2020-12-09 | 2021-10-22 | 江苏云睿汽车电器系统有限公司 | Windscreen wiper elastic sheet die with notch and equipment |
| CN114653830A (en) * | 2022-05-17 | 2022-06-24 | 保定徐水博萨汽车配件有限公司 | Stamping die and process with negative-angle flanging stamping part |
| CN217775276U (en) * | 2022-07-04 | 2022-11-11 | 三能器具（无锡）有限公司 | Aluminium alloy blanking shaping composite die |
| CN218361628U (en) * | 2022-08-18 | 2023-01-24 | 武汉沃鑫机械有限公司 | Blanking and stretching composite die |
| CN218963765U (en) * | 2022-12-28 | 2023-05-05 | 十堰市倍跃工贸有限公司 | V-shaped cutter opening blanking device |
| CN218982876U (en) * | 2022-12-20 | 2023-05-09 | 郑州信昌汽车部品有限公司 | Continuous die for blanking, punching, forming and flanging of lower mounting bracket of wiper |
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